Snow-removing apparatus.



S. FRIEDMAN.

I SNOW REMOVING APPARATUS. APPLlcATloN FILED JUNE i4. 191s.

Patented Oct. 9, 1917.

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ATTORNEY und-nula S. FRIEDNIAN. snow REMovmGAPP/IRATUS.

v APPLICATION FILED IIIN 14.4916.

Patented oet. 9, 1917.1

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' SAMUEL FRIEDMAN, VorNEw YORK, N. Y.'

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snow-REMOVING APPARATUS.

' specification of Letersratent. 4 Patented Oct, 9, 1917,;v Continuation in part of application Serial No. fryL'S'CLled. March 1916. This application filed ,Tune i4,

191e. ,serial Nq. 103,642.

To all whom t 'mayV concern: i

Be it'known thatfI, SMUEL'FREDMN, a

citizen of the United States,-and` ares'ident` of New York, in the countyy of New York and State of New York, have'invente'dcertain new and useful Improvements in Snow*l Removing Apparatus, of which the following is a specification. A

This application is a continuation in part' of myco-pending applicationifi'ledh/Iarch 25,v

1916, Serial No. 86,780 for si ow removing ino ound can be found.

My improved apparatus'and method is to.

simplify the removal of the snow, and in the preferred form of myinvention, the removal of the snow is almost ay continuous operation, there being no necessity of carrying the load any appreciable distance, but on the contrary it is carried along the street to the next sewer manhole into which it is dumped, having first been preferably in my preferred form,'converted into a liquid or semi-liquidA mass, suohas slush by ysuitable vmeans and treatment'. v

Should the distance between the manholes be comparatively short,'the operation of my apparatus and method will be substantially continuous. Should the manholes be at a great distance thenit is only necessary' for my preferred apparatus after it is loaded, to

be drawn a block or'somefsuch distance Vto. Y the nearest manhole where it caribe dumped,

and Vthen immediatelyV continue its `snow fremoving operation. For example, if there be a manhole at each end of a block, my im?- proved apparatus may obtain lone load travi eling to one manhole, and another load trav# eling back to the first manhole, so that there would be no time `lost andv the'expense of carrying the load to a 'distant' dumping ground would be avoided. In this Apreferred form of my apparatus I treat the snow and ice which is scraped up" from the street, by some chemical means which would change it into a liquider semi-liquid such as dump-A slush. Preferably the snow andiice'while 'l being so tre'ated,"are agitated yin a suitable manner,so as to insure quick action of 'the chemical. I also, although'not necessarily, employ waste heat to further insure the snow and 'ice being brought into "a liquid or semi-liquidVA state. The means which I preferably employ are the exhaust gases coming from the vautomobile or truck which' is pre'ferablyused 'to draw my'improved apparatus. ,'VVhen this 'form is used, a lconnection may bema'de around the mufflersothat theexhaust gases may be per-Y mi'tted topass directly into the snow and ice` temporarilycarried in the apparatus. lThe Y snow and ice will havethe effect onthese exha'ust gases passing up through them of a muffler andfa't'the same time the waste heat will b 'e used to-convert the mass into a liquid or aslush, eitherv with or without the use of theV chemical, and either with or without agitating the vmass by mechanical means.

In another form -of my inventionI omit the' snow and ice reservoir and use in place of that element a conveyer which may be raised or lowered to pass the snow andV ice taken up fromfthe street to wagons or carts which'may travel on the side of my apparatustoy receive it. Y

My invention further relates to certain details and combination of elements and j methods which will more fully hereinafter be described inv the specification and `set forth in the claims t i 'In 'the accompanying drawings showing illustrative embodiments of myfiiivention-l and in'vwhich'the saine reference numerals reifer tosimilar `parts inthe several figures of thefdrawingsz'f f Figure l is a longitudinal Vvertical section through my preferred-apparatus, the tractor for pulling my apparatus beingY omitted;

the line 2-2 of Fig. l;

Fig. Q'is av transverse vertical sectiongon Fig. 3 is a fragmentary Vside elevation partly insection of a modification showin-g`- yan adjustableendless conveyer to pass the'4 snow and ice to some vehicle lwhich will Fig. 4' is a transverse vertical section substantially on the: line l-'-l of Fig. d;

5100 move with my apparatus; when it 'is loaded, i a newfone will take its place;

, By operating the handle idly,

Fig. 5 is an enlarged vertical section showing more clearly the operation of the plow;

Fig. G is a vertical section showing the spring controlling the lower end of the movable plow; j'

Fig. 7 is a fragmentary detail view showing the operation of the shovel; and

Fig. 8 is a detail view of a modified form of the plow.

Fig.V 9 is a sectional detail illustrating the manner in which the shovels cutL through` from the curved path the snow as they swing of their travel into conveying relation to the inclined chute.

ln the illustrative embodiments of my invention, 1 is the preferred. form of my apparatus having a frame l2 mounted Von the wheels 8 having an inclined chute 4, tank 5, endless conveyer 6 `having shovels 7 which are preferably curved vas shown, the particular ends to be attained by the shovel curvaturebeing set forth more fully in connection with the description of the preferred ferm of the invention shown in Fig. 7.

rfhe endless conveyer 6 is mounted on the sprocket wheels 8, 8 and9, 9 and with its shovels 7 preferably extends a little beyond the end 10 of the inclined chute 4. Power is transmitted to the endless conveyer 6 and the curved shovels 7 inany suitable manner, such as by having` the sprockets 9, r9 keyed upon the Ashaft 11fupon which is loosely mounted a supplemental sprocket 12, which is connected to the sprocket 13 carried by the traction wheel 3, by 'the chain drive 14.

the sprockets 9, 9 are thrown into and out of engagement with the drive sprocket 12 in a well understood manner. This will of course permit'the drive sprocket 12 to run without operating the endless conveyer 6 with its shovels while my apparatus-is being drawn to the particular location where it is desired to remove the snow.

To the forward end of the inclined chute 4, ll pivotally mount a plow 17. |This plow, Figs. 1 and 2, is formed of a plurality of movable elements which may move with relation to each other. l have shown the main portion of the plow as 18 and the supplementalportion being 19. Ordinarily these two portions 18 and 19 of the plow `17 are adjusted to form one continuous and unbroken surface up which the snowand ice is forcedonto` the inclined chute 4, where it is out by the inclined shovels 7 which are preferably shaped, as shown in Fig. 7, so that the lower edge of each shovel strikes the snow nearly normal to the path of travel of the snow up the chute as the shovel swings from its curved path of travel into conveying position, the snow bein@ cut by the edge of the shovel and propelled by said shovel until it falls into the tank 5. Itwill be noted that the curvature of the outer part of 15 of the clutch 16' each shovel is so related to the curvature of the curved part of the path of travel of said shovel that the shovel cuts edgewise through the snow as the shovel swings from its curved path of travel into conveying relation to the inclined chute 4, the particular curvature of the shovel preventing the packing of snow inV front of the shovel, in such manner as to prevent the edge of the shovel from cutting through the snow, and also loeing such that it preventskthe shovel from riding up in the snow,'due tothe action of thev snow behind the shovel as it is cutting through the snow. y

ln case, however, that the plow picks up more snow and .ice than the conveyer 6 and the curved shovels 7 cancomfortably movel without straining the parts, or in Yother words, such snow and ice become momentarily jammed or wedged approximately at the point 20, the operator can move the lever 21 so as to pull up on the connecting rod 22 and cause the auxiliarymember 19 to moverdown as substantially shown in dotted lines in Fig. 1, which will permit the surplus; snow and ice to drop by gravity, (which action may be supplemented, by the operator) lback upon the street, and thereby relieve the apparatus from this excess. rl`hen the lever 21 is moved back into the position so that the part 19 willform one continuous unbroken surface with the part 18 as shown in full lines in Figs. 1 and 2. Y

rlhe main portion 18 of the plow may be raised and lowered to regulate the amount of snow and ice toloe forced konto the inl clined chute 4 by manipulating the lever 23 which operates the rod 24 to raise or lower the plow 18 in a vertical direction. rl`his is also taken advantage of to compensate for the irregularity or roughness of the roadway. Over asphalt for example,the point 25 of the plow 18can be brought very close to the roadway. @ver rough surfaces, however, suoh as cobblevstones orany other rough surface, it `is raised as .shown for example in Fig. 1. Y

To permit my device -to be used either on a. smooth or rough Isurface l use a'guard plow j 26,v which is drawn out.A of the way by operating thelever 27, when'y the apparatus is passing kover asphaltor other smooth surface. `When it passes .over a rough roadway, as cobblestones or any other rough surfac-e, the parts are Vbrought into position as shown in Fig. 1, when the guard plow 26 is broughtbeneath the point 25 of the main plow 18. Y

Thisguard plow 26 is mounted on a shaft 28 carried. by the rod 29. -When the'guard,

kplow strikes an obstruction, as for eXample, the stone 80, Fig. 5, the guard plow 26 rotates upon the pin 28 against the action of the spring 31, Fig. 6, permitting-the plow to pass harmlessly overthe obstruc-.g

tion 3iwithout injuring the apparatus. The moment it is past the spring 31 rotates the guard plow back into its operative position such as is shown in Figs. l and 5, and is checked by a stop from lbeing drawn further forward than normal position.

'I preferably also employ a gage 32 movable vertically in any suitable manner by sliding in the guides 33, 33. I have shown a hand wheel 34 operating the screw 35 to accomplish this adjustment 'through the member 36 which is secured to the gage 32. This gage limits the amount of snow and ice which shall be forced up the inclined 'chute 4. It is directed obliquely to the curved shovels 7 and the inclinedchute 4 so that the undesired quantity ofsnow is forced to one sideof the machine. The forward end 37 vof my apparatus is secured to the4 portion 38 of a tractor by any suitable means such as a pin 39.

`I may form my-plow 118 with a supple- Y mental pivoted member 119 which is kept` in proper position by means of a spring 120 "all shown diagrammatically iny 8, a iinger 121 limiting the throw of 'the spring 120. In this form the supplemental member 119 will automatically swing downwardly against the action of spring 120 the moment that the vdevice is overloaded and' will swingback vagain as soon as theexcess hasv been dumped.

The curved lshovels 47 have stay rods 40 which are also connected tothe chain 6, the

curve of the shovels and `theirinclinationV to the conveyer beingsuch, asshown in Fig. 7, v that they positively pierce or cut the snow and ice as it is fed up the inclined chute 4 It passes up this incline before it drops into the tank 5 where it is preferably treated by some chemical solution which dropped into'the upper portion of the reser-A voir and then passes through the spigot 43 into the lower portion 49 and thence through a perforated plate 50 and the opening 51 onto the snow and ice vin the tank 5. As additional chemical is V4needed the plate 48 may be pulled out releasing the second container 46 and so on.

The chemical whichI preferably use .is ordinary salt, though thisVv may" of course be varied. 'I may use sodium. chlorid or calcium chlorid, or both, preferably thesalt so In the upper portion of the place a series vof containers 46,

lution is not` less than one per cent., though of course this may befvaried.

Preferably I use 'enough salt solution i to convert 'the snow into a non-balling slush and-preferably one which will readily flow.

Thisvalso applies t'o any other chemicalsolutlon which may be employed to act onthe snow yand ice.

The 'opening 51 is preferably so located as to project a stream of salt solutionV on' the snow and ice just as it is about'to fall into the tank 5. This insures that every portion of the snow and ice will receive some of the salt solution before itis mingled or mixed with the snowand ice which preceded it into the 'tank 5. j

While the snow and ice are in the tank 5 they may be mechanically agitated, as for example, by the agitator 52 operated bythe chain 53 passing over the sprocket 54 carried by the traction wheel 3, lthev agitator comprising blades carried by a horizontaI shaft 54 parallel to the inclined bottom' of the tank and supporting the blades Vclear of said bottom so thatthey do not interfere with the discharge of the slush from' the tank. the lever 5 5 is operated permitting the door 56 to swing outward so that the entire load may be dumped as for example, in the sewer manhole.- y

vIn connection withthe chemical treatment When'it is desired to dump the load of the contents inthe tank 5 orseparate I from the chemical' treatment, I may permit the waste gases'from the tractor (not shown)y to pass from the engine through the pipe 5 7 directly into the slush in the tank 5. This connection 57 may be made either to take the gases from the muiiier, or

may take them directly from the engine without passing through'themuflier letting' the 'contents ofthe tankact'as a muiiier and at the Sametime absorb Vthe waste heat. I/Vhen the spent gases have passed in through the tank 5f, they ymay pass out of the apparatus through the' opening 58. YS

In my Vmodified' structure shown in Figs.

3 and '4, the endless conveyer6 operates the gears 5 9, 60, 61 yand 62, which latter is mountedo'n an axle 63 on which is mounted belt 65 mounted inanadjustable cradle 66 which is raised and lowered in any suitable v over the sheave 68. A In'the form shown in Figs. 3 and 4 the snow and ice are brought up by the conveyer 6 and are dumped onto the second endless conveyer 65, whichlmayv be raised or lowered dependent upon theheight ofmthek wagon which travels on the' side of my apparatus to Vreceive `such loads. Inv this form the snow and ice will not pass into a' tank ynora-re they treated preparatory to 'dumpin'gi `The conveyer needl not neces- Vmanner as by means offga chain 67 passing 115` a pulley 64 vover which passes an endlessf l sarily be raised and lowered. The cradle is provided with a tooth or portion G9 to scrape olf the snow from the conveyor 65.

l have described my invention in connection with several illustrative embodiments of my apparatus, but to the details of which l do not desire'to be limited. What is claimed as new and what it is desired to secure by Letters Patent is set forth in the appended claims.

l. ln a .snow removing apparatus combination of an inclined chute, an justable plow mounted at the end oi' the chute, means Yfor securing said plow in ditferent adjusted positions with respect to the adsaid chute and a guard plow mounted in afdvance ot the main plow.

2. ln a snow removing apparatus combinationot an inclined chute., an adjustable plow mounted at the end of the chute, and an adjustable yielding guard plow mounted in advance ot the main adthe ustable alow and means for securing said l a z:

plows in ditierent positions of adjustment 3. ln snow removing apparatus, the combination with snow gathering means, of an adjustable depth gage presenting a snow engaging face inclined to deflect from the iield or' operation of the snow gathering means snow in excess of a selected depth.

et. ln a snow removing apparatus the combination of an inclined chute, and an adjustable plow mounted at the end koit the inclined chute and an adjustable to limit the amount oit' snow and ice to be fed to the inclined chute, means for securing said adjustable parts in different positions of adjust-ment and a guard plow in front ot' said'adjustable plow.

5. Snow removing apparatus comprising,

' in combination, a plow torgathering up the snow Y'from the street, means tor conveying away the snow gathered up by said plow, a guard plow adjustable into and out of operative relation. to said plow, and means for securing said guard plow in either of said relations to said main plow. j Y

6. Snow removing apparatus comprising,

in combination, a main plow for gathering up the snow from the street, means for conveying away the snow gathered up by said plow, and a narrow horizontally pivoted guard plow in front of said main plow, said guardfplow being arranged to swing about its horizontal axis to pass an obstruction j without disturbing the position of said main f a lineages in :front of said main plow, and means for moving said guard plow into and lout of' operative relation to said main plow.

9. ln snow removing apparatus, a main plow for picking up the snow, a guard plow in front of said main plow, and means for e'tlecting independent adjustments of said plows. l

10. ln snow removing apparatus, a plow for picking up the snow, said plow being adjustable about a horizontal axis to bring it to diiierent elevations from vthe street,

and a trap in said plow arranged to turn y about the same axis. l

ll. ln snow removing apparatus, an inclined chute, a main plow pivoted at the lower end ot. said chute to swing about a horizontal axis into diilerent positions of ing means constructed and arranged to be opened to discharge anything whichtends to clog the operation of the apparatus.

lilln snow removing apparatus, a portable receptacle for the snow, a .plow for picking up the snow, said plow being adjustable to aring itsend intor different elevations from the street, an adjustable snow gage in front of said plow, and means for securing said and plow in the diderent positions of adjustment.

la. ln snow removing apparatus, the combination with snow gathering means, of means tor conveying away from the gathering means the snow gathered thereby, and means normally cooperating with the aforementioned means to direct the snow through the apparatus but arranged to be moved out of directing relation'thereto to dischargel from the apparatus anything tending to interfere with its operation.

l5. ln snow removing apparatus, a plow,

a conveyor for the snow picked up by said plow, a gage in front of said plow for limiting the amount of snow operated upon by said plow, and means providing for the discharge from said apparatus of snow picked up by saidplow in excess of that which can properly be handled by said conveyer.

i6. ln snow removing apparatus, a plow, a conveyor for the snow picked up by said plow, said plow having a movable part provi ding tor the discharge from the apparatus of snow picked up -in excess of that which can properly be vhandled by said conveyer.

17. In snow removing'apparatus, the combination with an inclined chute, a plow at the lower end of said chute, an endless conveyer arranged to move snow picked up by said plow along said chute, and discharging means at the point where said conveyer engages the snow picked up by said plow, said means normally supporting the snow for the action of the conveyer but being movable to discharge from the apparatus snow picked up in excess of that which can readily behandled by said conveyer.

18. In snow removing apparatus, a plow for gathering up the snow from the street, means for conveying away the snow gathered up by said plow, and a downwardly opening trap in said plow for discharging anything which may tend to interfere with the operation of said apparatus.

19. In snow removing apparatus, a plow for gathering up the snow from the street, means for conveying away the snow gathered up by said plow, a trap in said plow for discharging anything which may tend to interfere with the operation of said apparatus, and means under the control of the operator for operating said trap.

20. Snow removingv apparatus comprising, in combination, snow gathering means, means for conveying away from said gathering means the snow gathered thereby, and a vertically adjustable gage in front of said gathering means presenting a snow engaging face so inclined to the path of travel of the apparatus as to move to one side of the apparatus the excess snow, where the depth of the snow is greater than that for which the gage is set.

21. In snow removing apparatus, means for gathering up the snow from the street, means for conveying away the snow gathered by said gathering means, means for adjusting the height of said gathering means from the street and a gage in front of said gathering means for determining the vertical amount of the snow to be operated upon.

22. Snow removing apparatus comprising, in combination, a part presenting an inclined surface up which sn'ow gathered by said apparatus is to be moved, and an endless conveyer for moving snow up said incline, said conveyer comprising an end- Uopies ot this patent may be obtained for ve cents each, by addressing the far forward as to pocket the snow inde-` pendently of its support upon the incline or that the rear face of the shovel during the cutting movement presents a deecting surface so inclined to said movement as to tend to cause the shovel to ride up in the snow.

23. Snow removingapparatus comprising, in combination, apart .presenting an'inclined surface up which snow gathered by said apparatus is'to be moved, and an endless conveyer for moving snow up said incline, said conveyer comprising an endless carrier, and shovels projecting outward from said carrier and so bent forward toward -their youter edges that said vedges cut edgewise through the snow as said shovels swing from their curved path of travel into conveying relation to said incline, but not bent so far forward as to pocket the snow independently of its support upon the incline, or that the rear face of each shovel presents a deflecting surface tending l to cause the shovel to ride up in the snow as its edge is cutting through the snow.

24. In a snow removing apparatus, the combination with vsnow gathering means and a tank having an inclined bottom, and means for discharging the tank at the lower end of said incline, of means for conveying the snow picked up by said gathering means to said tank, means for spraying the snow with a melting solution, and means for agitating the mixture in the tank, said means comprising a horizontal shaft parallel to said bottom and spaced blades lcarried by said shaft clear of said bottom. i

SAMUEL FRIEDMAN.

Witnesses:

ALAN M. JOHNSON, Louisa Lonrm.

Commissioner of Patents,

' Washington, ZD. C. 

